DIFF Main Group
G21C 13/00 Pressure vessels; Containment vessels; Containment in general (for chemical or physical processes B01J3/00; pressure vessels in general F16J12/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Pressure vessels; Containment vessels; Containment in general
CPC: Pressure vessels; Containment vessels; Containment in general (for chemical or physical processes B01J3/00; pressure vessels in general F16J12/00)
Full Title
Full titles differ between systems:
IPC:
Pressure vessels; Containment vessels; Containment in general
CPC:
Pressure vessels; Containment vessels; Containment in general (for chemical or physical processes B01J3/00; pressure vessels in general F16J12/00)
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G21C 13/08 Vessels characterised by the material; Selection of materials for pressure vessels IPC+CPC Available in IPC and CPC
- G21C 13/10 Means for preventing contamination in the event of leakage, IPC+CPC Available in IPC and CPC